| Pipes |
| Sewers |
| Conduits |
| Pipelines |
| Gas pipes |
| Big pipes |
| Water pipes |
| Sewer parts |
| Water lines |
| Sewer lines |
| Large pipes |
| Big conduits |
| Gas conduits |
| Primary pipes |
| Water carriers |
| Water conduits |
| Major conduits |
| Big water pipes |
| Hydrant feeders |
| Principal pipes |
| Certain conduits |
| Prodigious pipes |
| Sewers have them |
| Underground lines |
| Chief water pipes |
| Sewer connections |
| Large water pipes |
| Bounding and water |
| Water or gas pipes |
| Reservoir conduits |
| Combined-flow pipes |
| Bounding and Spanish |
| Large water conduits |
| Major water carriers |
| Underground conduits |
| Water or gas followers |
| Some underground pipes |
| Electricity power source |
| Conduits from a reservoir. |
| Source of electricity or gas |
| They may be accessed via manholes |
| Underground utilities conductors. |